
The Mind-Bending Ascent Of Helium — And Why It's Running Low
NPR
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Helium is the second-most common element in the cosmos, but it's far rarer on planet Earth. As part of our celebration of the periodic table's 150t... more
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Helium is the second-most common element in the cosmos, but it's far rarer on planet Earth. As part of our celebration of the periodic table's 150t... more